I tried adding my layer URL under reference input type but no luck. I'm trying to create buffer.

Screenshot of builder

1 Answer 1


This is because the Buffer operation is expecting a Geometry and you are providing a FeatureCollection. So you probably want to use the vec:BufferFeatureCollection process instead.

  • Cool let me check Commented Aug 16, 2020 at 9:35
  • Hi, but them how can I use the geometry from geoserver wfs url in the reference? (e.g. for JTS:area) Commented Aug 17, 2020 at 5:58
  • 1
    You can't a Geometry is a single object while a WFS returns a collection of features - maybe you need to ask a new question that describes what you are actually trying to do with the WPS
    – Ian Turton
    Commented Aug 17, 2020 at 7:32

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